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pht\Vector::resize

(PECL pht >= 0.0.1)

pht\Vector::resizeResizes a vector

説明

public pht\Vector::resize(int $size, mixed $value = 0): void

Resizes the vector. If it is enlarged, then the value parameter will be used to fill in the new slots. If it is made smaller, then the end values will be truncated.

パラメータ

size

The new size of the vector.

value

The value to initialise the empty vector slots to (only used if the vector is enlarged).

返り値

No return value.

例1 Resizing a vector

<?php

use pht\Vector;

$vector = new Vector(1);
var_dump($vector);
$vector->resize(21);
var_dump($vector);
$vector->resize(12); // unused second arg
var_dump($vector);

上の例の出力は以下となります。

object(pht\Vector)#1 (1) {
  [0]=>
  int(0)
}
object(pht\Vector)#1 (2) {
  [0]=>
  int(0)
  [1]=>
  int(1)
}
object(pht\Vector)#1 (1) {
  [0]=>
  int(0)
}

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